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kernel_samsung_a34x-permissive/drivers/misc/mediatek/eccci/modem_sys1.c
Fede2782 6db4831e98
Import A346BXXU4BWK2 kernel source 
Android 14
2024-04-28 15:51:13 +02:00

1628 lines
46 KiB
C
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2016 MediaTek Inc.
*/
#include <linux/list.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/kdev_t.h>
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/sched/clock.h> /* local_clock() */
#include <linux/kthread.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/timer.h>
#include <linux/fs.h>
#include <linux/netdevice.h>
#include <linux/random.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
#include <linux/syscore_ops.h>
#if defined(CONFIG_MTK_AEE_FEATURE)
#include <mt-plat/aee.h>
#endif
#include <mtk_pbm.h>
#include "ccci_config.h"
#include "ccci_common_config.h"
#include "ccci_core.h"
#include "ccci_modem.h"
#include "ccci_bm.h"
#include "ccci_platform.h"
#include "md_sys1_platform.h"
#include "modem_reg_base.h"
#include "ccci_debug.h"
#include "hif/ccci_hif_cldma.h"
#include "hif/ccci_hif_ccif.h"
#define TAG "mcd"
static void debug_in_flight_mode(struct ccci_modem *md);
void ccif_enable_irq(struct ccci_modem *md)
{
struct md_sys1_info *md_info = (struct md_sys1_info *)md->private_data;
if (atomic_cmpxchg(&md_info->ccif_irq_enabled, 0, 1) == 0) {
enable_irq(md_info->ap_ccif_irq_id);
CCCI_NORMAL_LOG(md->index, TAG, "enable ccif irq\n");
}
}
void ccif_disable_irq(struct ccci_modem *md)
{
struct md_sys1_info *md_info = (struct md_sys1_info *)md->private_data;
if (atomic_cmpxchg(&md_info->ccif_irq_enabled, 1, 0) == 1) {
disable_irq_nosync(md_info->ap_ccif_irq_id);
CCCI_NORMAL_LOG(md->index, TAG, "disable ccif irq\n");
}
}
void wdt_enable_irq(struct ccci_modem *md)
{
if (atomic_cmpxchg(&md->wdt_enabled, 0, 1) == 0) {
enable_irq(md->md_wdt_irq_id);
CCCI_NORMAL_LOG(md->index, TAG, "enable wdt irq\n");
}
}
void wdt_disable_irq(struct ccci_modem *md)
{
if (atomic_cmpxchg(&md->wdt_enabled, 1, 0) == 1) {
/*
* may be called in isr, so use disable_irq_nosync.
* if use disable_irq in isr, system will hang
*/
disable_irq_nosync(md->md_wdt_irq_id);
CCCI_NORMAL_LOG(md->index, TAG, "disable wdt irq\n");
}
}
static irqreturn_t md_cd_wdt_isr(int irq, void *data)
{
struct ccci_modem *md = (struct ccci_modem *)data;
CCCI_ERROR_LOG(md->index, TAG, "MD WDT IRQ\n");
ccif_disable_irq(md);
wdt_disable_irq(md);
ccci_event_log("md%d: MD WDT IRQ\n", md->index);
#ifndef DISABLE_MD_WDT_PROCESS
/* 1. disable MD WDT */
#ifdef ENABLE_MD_WDT_DBG
unsigned int state;
state = ccci_read32(md->md_rgu_base, WDT_MD_STA);
ccci_write32(md->md_rgu_base, WDT_MD_MODE, WDT_MD_MODE_KEY);
CCCI_NORMAL_LOG(md->index, TAG,
"WDT IRQ disabled for debug, state=%X\n", state);
#ifdef L1_BASE_ADDR_L1RGU
state = ccci_read32(md->l1_rgu_base, REG_L1RSTCTL_WDT_STA);
ccci_write32(md->l1_rgu_base,
REG_L1RSTCTL_WDT_MODE, L1_WDT_MD_MODE_KEY);
CCCI_NORMAL_LOG(md->index, TAG,
"WDT IRQ disabled for debug, L1 state=%X\n", state);
#endif
#endif
#endif
ccci_fsm_recv_md_interrupt(md->index, MD_IRQ_WDT);
return IRQ_HANDLED;
}
static void md_cd_ccif_delayed_work(struct ccci_modem *md)
{
if (md->hif_flag & (1<<CLDMA_HIF_ID)) {
/* stop CLDMA, we don't want to get CLDMA IRQ when MD is
* resetting CLDMA after it got cleaq_ack
*/
ccci_hif_stop(CLDMA_HIF_ID);
CCCI_NORMAL_LOG(md->index, TAG,
"%s: stop cldma done\n", __func__);
/*dump rxq after cldma stop to avoid race condition*/
ccci_hif_dump_status(1 << CLDMA_HIF_ID, DUMP_FLAG_QUEUE_0_1,
NULL, 1 << IN);
CCCI_NORMAL_LOG(md->index, TAG,
"%s: dump queue0-1 done\n", __func__);
cldma_plat_hw_reset(md->index);
CCCI_NORMAL_LOG(md->index, TAG,
"%s: hw reset done\n", __func__);
md_cd_clear_all_queue(1 << CLDMA_HIF_ID, IN);
}
}
static void md_cd_exception(struct ccci_modem *md, enum HIF_EX_STAGE stage)
{
struct ccci_smem_region *mdccci_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDCCCI_DBG);
CCCI_ERROR_LOG(md->index, TAG, "MD exception HIF %d\n", stage);
ccci_event_log("md%d:MD exception HIF %d\n", md->index, stage);
__pm_wakeup_event(md->trm_wake_lock, jiffies_to_msecs(50 * HZ));
/* in exception mode, MD won't sleep, so we do not
* need to request MD resource first
*/
switch (stage) {
case HIF_EX_INIT:
ccci_hif_dump_status(1 << CCIF_HIF_ID, DUMP_FLAG_CCIF |
DUMP_FLAG_IRQ_STATUS, NULL, 0);
if (*((int *)(mdccci_dbg->base_ap_view_vir +
CCCI_SMEM_OFFSET_SEQERR)) != 0) {
CCCI_ERROR_LOG(md->index, TAG,
"MD found wrong sequence number\n");
}
if (md->hif_flag & (1<<CLDMA_HIF_ID)) {
CCCI_ERROR_LOG(md->index, TAG,
"dump cldma on ccif hs0\n");
ccci_hif_dump_status(1 << CLDMA_HIF_ID,
DUMP_FLAG_CLDMA, NULL, -1);
/* disable CLDMA except un-stop queues */
cldma_stop_for_ee(CLDMA_HIF_ID);
/* purge Tx queue */
md_cd_clear_all_queue(CLDMA_HIF_ID, OUT);
}
ccci_hif_md_exception(md->hif_flag, stage);
/* Rx dispatch does NOT depend on queue index
* in port structure, so it still can find right port.
*/
ccci_hif_send_data(CCIF_HIF_ID, H2D_EXCEPTION_ACK);
break;
case HIF_EX_INIT_DONE:
break;
case HIF_EX_CLEARQ_DONE:
/* give DHL some time to flush data */
msleep(2000);
md_cd_ccif_delayed_work(md);
ccci_hif_md_exception(md->hif_flag, stage);
/* tell MD to reset CLDMA */
ccci_hif_send_data(CCIF_HIF_ID, H2D_EXCEPTION_CLEARQ_ACK);
CCCI_NORMAL_LOG(md->index, TAG, "send clearq_ack to MD\n");
break;
case HIF_EX_ALLQ_RESET:
md->per_md_data.is_in_ee_dump = 1;
if (md->hif_flag & (1<<CLDMA_HIF_ID))
md_cldma_allQreset_work(1 << CLDMA_HIF_ID);
ccci_hif_md_exception(md->hif_flag, stage);
break;
default:
break;
};
}
static void polling_ready(struct ccci_modem *md, int step)
{
int cnt = 500; /*MD timeout is 10s*/
int time_once = 10;
struct md_sys1_info *md_info =
(struct md_sys1_info *)md->private_data;
#ifdef CCCI_EE_HS_POLLING_TIME
cnt = CCCI_EE_HS_POLLING_TIME / time_once;
#endif
while (cnt > 0) {
if (md_info->channel_id & (1 << step)) {
CCCI_DEBUG_LOG(md->index, TAG,
"poll RCHNUM %d\n", md_info->channel_id);
ccif_write32(md_info->ap_ccif_base,
APCCIF_ACK, (1 << step));
return;
}
msleep(time_once);
cnt--;
}
CCCI_ERROR_LOG(md->index, TAG,
"poll EE HS timeout, RCHNUM %d\n", md_info->channel_id);
}
static int md_cd_ee_handshake(struct ccci_modem *md, int timeout)
{
/* seems sometime MD send D2H_EXCEPTION_INIT_DONE and
* D2H_EXCEPTION_CLEARQ_DONE together
*/
/*polling_ready(md_ctrl, D2H_EXCEPTION_INIT);*/
__pm_wakeup_event(md->trm_wake_lock, jiffies_to_msecs(20 * HZ));
md_cd_exception(md, HIF_EX_INIT);
__pm_wakeup_event(md->trm_wake_lock, jiffies_to_msecs(20 * HZ));
polling_ready(md, D2H_EXCEPTION_INIT_DONE);
md_cd_exception(md, HIF_EX_INIT_DONE);
__pm_wakeup_event(md->trm_wake_lock, jiffies_to_msecs(20 * HZ));
polling_ready(md, D2H_EXCEPTION_CLEARQ_DONE);
md_cd_exception(md, HIF_EX_CLEARQ_DONE);
__pm_wakeup_event(md->trm_wake_lock, jiffies_to_msecs(20 * HZ));
polling_ready(md, D2H_EXCEPTION_ALLQ_RESET);
md_cd_exception(md, HIF_EX_ALLQ_RESET);
return 0;
}
int md_fsm_exp_info(int md_id, unsigned int channel_id)
{
struct ccci_modem *md;
struct md_sys1_info *md_info;
CCCI_DEBUG_LOG(0, TAG, "%s\n", __func__);
md = ccci_md_get_modem_by_id(md_id);
if (!md)
return 0;
md_info = (struct md_sys1_info *)md->private_data;
if (channel_id & (1 << D2H_EXCEPTION_INIT)) {
ccci_fsm_recv_md_interrupt(md->index, MD_IRQ_CCIF_EX);
md_info->channel_id = channel_id & ~(1 << D2H_EXCEPTION_INIT);
return 0;
}
if (channel_id & (1<<AP_MD_PEER_WAKEUP)) {
__pm_wakeup_event(md_info->peer_wake_lock,
jiffies_to_msecs(HZ));
channel_id &= ~(1 << AP_MD_PEER_WAKEUP);
}
if (channel_id & (1<<AP_MD_SEQ_ERROR)) {
CCCI_ERROR_LOG(md->index, TAG, "MD check seq fail\n");
md->ops->dump_info(md, DUMP_FLAG_CCIF, NULL, 0);
channel_id &= ~(1 << AP_MD_SEQ_ERROR);
}
if (channel_id & (1 << D2H_EXCEPTION_INIT)) {
/* do not disable IRQ, as CCB still needs it */
ccci_fsm_recv_md_interrupt(md->index, MD_IRQ_CCIF_EX);
}
md_info->channel_id |= channel_id;
return 0;
}
EXPORT_SYMBOL(md_fsm_exp_info);
static inline int md_sys1_sw_init(struct ccci_modem *md)
{
struct md_sys1_info *md_info =
(struct md_sys1_info *)md->private_data;
int ret;
CCCI_BOOTUP_LOG(md->index, TAG,
"%s, MD_WDT IRQ(%d) CCIF_IRQ %d\n", __func__,
md->md_wdt_irq_id, md_info->ap_ccif_irq_id);
ret = request_irq(md->md_wdt_irq_id, md_cd_wdt_isr,
md->md_wdt_irq_flags, "MD_WDT", md);
if (ret) {
CCCI_ERROR_LOG(md->index, TAG,
"request MD_WDT IRQ(%d) error %d\n",
md->md_wdt_irq_id, ret);
return ret;
}
ret = irq_set_irq_wake(md->md_wdt_irq_id, 1);
if (ret)
CCCI_ERROR_LOG(md->index, TAG,
"irq_set_irq_wake MD_WDT IRQ(%d) error %d\n",
md->md_wdt_irq_id, ret);
return 0;
}
static int md_cd_init(struct ccci_modem *md)
{
CCCI_INIT_LOG(md->index, TAG, "CCCI: modem is initializing\n");
return 0;
}
/* Please delete this function once it can be deleted. */
static int ccci_md_hif_start(struct ccci_modem *md, int stage)
{
switch (stage) {
case 1:
/*enable clk: cldma*/
if (md->hw_info->plat_ptr->set_clk_cg)
md->hw_info->plat_ptr->set_clk_cg(md, 1);
//ccci_hif_set_clk_cg(1 << CLDMA_HIF_ID, md->index, 1);
//if (md->hif_flag & (1 << CLDMA_HIF_ID)) {
/* 2. clearring buffer, just in case */
//ccci_hif_clear_all_queue(1 << CLDMA_HIF_ID, OUT);
//ccci_hif_clear_all_queue(1 << CLDMA_HIF_ID, IN);
//if (md->hw_info->plat_ptr->cldma_hw_rst)
// md->hw_info->plat_ptr->cldma_hw_rst(md->index);
//ccci_hif_hw_reset(1 << CLDMA_HIF_ID, md->index);
//}
break;
case 2:
if (md->hif_flag & (1 << CCIF_HIF_ID))
ccif_enable_irq(md);
//if (md->hif_flag & (1 << CLDMA_HIF_ID)) {
/* 8. start CLDMA */
//ccci_hif_start(CLDMA_HIF_ID);
//}
break;
default:
break;
}
return 0;
}
static int md_cd_start(struct ccci_modem *md)
{
int ret = 0;
if (md->per_md_data.config.setting & MD_SETTING_FIRST_BOOT) {
if (md->hw_info->plat_ptr->remap_md_reg)
md->hw_info->plat_ptr->remap_md_reg(md);
md_sys1_sw_init(md);
//ccci_hif_late_init(md->index, md->hif_flag);
/* init security, as security depends on dummy_char,
* which is ready very late.
*/
ccci_init_security();
ccci_md_clear_smem(md->index, 1);
#if 0
//#if (MD_GENERATION >= 6293)
md_ccif_ring_buf_init(CCIF_HIF_ID);
#endif
if (md->hw_info->plat_ptr->start_platform) {
ret = md->hw_info->plat_ptr->start_platform(md);
if (ret) {
CCCI_BOOTUP_LOG(md->index, TAG,
"power on MD BROM fail %d\n", ret);
goto out;
}
}
md->per_md_data.config.setting &= ~MD_SETTING_FIRST_BOOT;
} else
ccci_md_clear_smem(md->index, 0);
CCCI_BOOTUP_LOG(md->index, TAG, "modem is starting\n");
/* 1. load modem image */
CCCI_BOOTUP_LOG(md->index, TAG,
"modem image ready, bypass load\n");
ret = ccci_get_md_check_hdr_inf(md->index,
&md->per_md_data.img_info[IMG_MD],
md->per_md_data.img_post_fix);
if (ret < 0) {
CCCI_BOOTUP_LOG(md->index, TAG,
"partition read fail(%d)\n", ret);
/* goto out; */
} else
CCCI_BOOTUP_LOG(md->index, TAG,
"partition read success\n");
#ifdef FEATURE_BSI_BPI_SRAM_CFG
ccci_set_bsi_bpi_SRAM_cfg(md, 1, MD_FLIGHT_MODE_NONE);
#endif
ccci_md_hif_start(md, 1);
/* 4. power on modem, do NOT touch MD register before this */
if (md->hw_info->plat_ptr->power_on) {
ret = md->hw_info->plat_ptr->power_on(md);
if (ret) {
CCCI_BOOTUP_LOG(md->index, TAG,
"power on MD fail %d\n", ret);
goto out;
}
}
#ifdef SET_EMI_STEP_BY_STAGE
ccci_set_mem_access_protection_1st_stage(md);
#endif
/* 5. update mutex */
atomic_set(&md->reset_on_going, 0);
md->per_md_data.md_dbg_dump_flag = MD_DBG_DUMP_AP_REG;
/* Notify ATF update md sec smem info */
ccci_get_md_sec_smem_size_and_update();
/* 7. let modem go */
if (md->hw_info->plat_ptr->let_md_go)
md->hw_info->plat_ptr->let_md_go(md);
wdt_enable_irq(md);
ccci_md_hif_start(md, 2);
md->per_md_data.is_in_ee_dump = 0;
md->is_force_asserted = 0;
out:
CCCI_BOOTUP_LOG(md->index, TAG,
"modem started %d\n", ret);
/* used for throttling feature - start */
/*ccci_modem_boot_count[md->index]++;*/
/* used for throttling feature - end */
return ret;
}
static int check_power_off_en(struct ccci_modem *md)
{
int smem_val;
struct ccci_smem_region *mdss_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDSS_DBG);
if (md->index != MD_SYS1)
return 1;
smem_val = *((int *)((long)mdss_dbg->base_ap_view_vir +
md->hw_info->plat_val->offset_epof_md1));
CCCI_NORMAL_LOG(md->index, TAG,
"share for power off:%x\n", smem_val);
if (smem_val != 0) {
CCCI_NORMAL_LOG(md->index, TAG,
"[ccci]enable power off check\n");
return 1;
}
CCCI_NORMAL_LOG(md->index, TAG,
"disable power off check\n");
return 0;
}
static int md_cd_soft_start(struct ccci_modem *md, unsigned int mode)
{
if (md->hw_info->plat_ptr->soft_power_on == NULL)
return -1;
return md->hw_info->plat_ptr->soft_power_on(md, mode);
}
static int md_cd_soft_stop(struct ccci_modem *md, unsigned int mode)
{
if (md->hw_info->plat_ptr->soft_power_off == NULL)
return -1;
return md->hw_info->plat_ptr->soft_power_off(md, mode);
}
void __weak md1_sleep_timeout_proc(void)
{
CCCI_DEBUG_LOG(-1, TAG, "No %s\n", __func__);
}
static int md_cd_pre_stop(struct ccci_modem *md, unsigned int stop_type)
{
int en_power_check;
u32 pending;
struct ccci_smem_region *mdccci_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDCCCI_DBG);
struct ccci_smem_region *mdss_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDSS_DBG);
struct ccci_per_md *per_md_data =
ccci_get_per_md_data(md->index);
int md_dbg_dump_flag = per_md_data->md_dbg_dump_flag;
/* 1. mutex check */
if (atomic_add_return(1, &md->reset_on_going) > 1) {
CCCI_NORMAL_LOG(md->index, TAG,
"One reset flow is on-going\n");
return -CCCI_ERR_MD_IN_RESET;
}
CCCI_NORMAL_LOG(md->index, TAG,
"%s: CCCI modem is resetting\n", __func__);
/* 2. disable WDT IRQ */
wdt_disable_irq(md);
en_power_check = check_power_off_en(md);
/* only debug in Flight mode */
if (stop_type == MD_FLIGHT_MODE_ENTER) {
debug_in_flight_mode(md);
#ifdef CCCI_KMODULE_ENABLE
pending = 0;
#else
pending = mt_irq_get_pending(md->md_wdt_irq_id);
#endif
if (pending) {
CCCI_NORMAL_LOG(md->index, TAG, "WDT IRQ occur.");
CCCI_MEM_LOG_TAG(md->index, TAG, "Dump MD EX log\n");
if (md_dbg_dump_flag & (1 << MD_DBG_DUMP_SMEM)) {
ccci_util_mem_dump(md->index,
CCCI_DUMP_MEM_DUMP,
mdccci_dbg->base_ap_view_vir,
mdccci_dbg->size);
ccci_util_mem_dump(md->index,
CCCI_DUMP_MEM_DUMP,
mdss_dbg->base_ap_view_vir,
mdss_dbg->size);
}
if (md->hw_info->plat_ptr->debug_reg)
md->hw_info->plat_ptr->debug_reg(md);
/* cldma_dump_register(CLDMA_HIF_ID);*/
#if defined(CONFIG_MTK_AEE_FEATURE)
aed_md_exception_api(NULL, 0, NULL, 0,
"WDT IRQ occur.", DB_OPT_DEFAULT);
#endif
}
}
CCCI_NORMAL_LOG(md->index, TAG, "Reset when MD state: %d\n",
ccci_fsm_get_md_state(md->index));
return 0;
}
static void debug_in_flight_mode(struct ccci_modem *md)
{
int count = 0;
int en_power_check;
struct ccci_smem_region *mdccci_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDCCCI_DBG);
struct ccci_smem_region *mdss_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDSS_DBG);
struct ccci_per_md *per_md_data =
ccci_get_per_md_data(md->index);
int md_dbg_dump_flag = per_md_data->md_dbg_dump_flag;
en_power_check = check_power_off_en(md);
count = 5;
while (spm_is_md1_sleep() == 0) {
count--;
if (count == 0) {
if (en_power_check) {
CCCI_NORMAL_LOG(md->index, TAG,
"MD is not in sleep mode, dump md status!\n");
CCCI_MEM_LOG_TAG(md->index, TAG,
"Dump MD EX log\n");
if (md_dbg_dump_flag &
(1 << MD_DBG_DUMP_SMEM)) {
ccci_util_mem_dump(md->index,
CCCI_DUMP_MEM_DUMP,
mdccci_dbg->base_ap_view_vir,
mdccci_dbg->size);
ccci_util_mem_dump(md->index,
CCCI_DUMP_MEM_DUMP,
mdss_dbg->base_ap_view_vir,
mdss_dbg->size);
}
if (md->hw_info->plat_ptr->debug_reg)
md->hw_info->plat_ptr->debug_reg(md);
/* cldma_dump_register(CLDMA_HIF_ID);*/
#if defined(CONFIG_MTK_AEE_FEATURE)
aed_md_exception_api(
mdss_dbg->base_ap_view_vir,
mdss_dbg->size, NULL, 0,
"After AP send EPOF, MD didn't go to sleep in 4 seconds.",
DB_OPT_DEFAULT);
#endif
} else
md1_sleep_timeout_proc();
break;
}
if (md->hw_info->plat_ptr->lock_cldma_clock_src) {
md->hw_info->plat_ptr->lock_cldma_clock_src(1);
msleep(1000);
md->hw_info->plat_ptr->lock_cldma_clock_src(0);
msleep(20);
}
}
}
static int md_cd_stop(struct ccci_modem *md, unsigned int stop_type)
{
int ret = 0;
int i;
struct md_sys1_info *md_info = (struct md_sys1_info *)md->private_data;
unsigned int rx_ch_bitmap;
CCCI_NORMAL_LOG(md->index, TAG,
"modem is power off, stop_type=%d\n", stop_type);
ccif_disable_irq(md);
/* Check EMI before */
if (md->hw_info->plat_ptr->check_emi_state)
md->hw_info->plat_ptr->check_emi_state(md, 1);
/* power off MD */
if (md->hw_info->plat_ptr->power_off)
ret = md->hw_info->plat_ptr->power_off(md,
stop_type == MD_FLIGHT_MODE_ENTER ? 100 : 0);
CCCI_NORMAL_LOG(md->index, TAG,
"modem is power off done, %d\n", ret);
if (md->hif_flag & (1<<CLDMA_HIF_ID)) {
md_cldma_clear(1 << CLDMA_HIF_ID);
ccci_hif_stop(1 << CLDMA_HIF_ID);
cldma_plat_hw_reset(md->index);
cldma_plat_set_clk_cg(md->index, 0);
}
rx_ch_bitmap = ccif_read32(md_info->md_ccif_base, APCCIF_RCHNUM);
if (rx_ch_bitmap) {
CCCI_NORMAL_LOG(md->index, TAG,
"CCIF rx bitmap: 0x%x\n", rx_ch_bitmap);
for (i = 0; i < CCIF_CH_NUM; i++) {
/* Ack one by one */
if (rx_ch_bitmap & (1 << i))
ccif_write32(md_info->md_ccif_base,
APCCIF_ACK, (1 << i));
}
rx_ch_bitmap =
ccif_read32(md_info->md_ccif_base, APCCIF_RCHNUM);
CCCI_NORMAL_LOG(md->index, TAG,
"CCIF rx bitmap: 0x%x(after ack)\n", rx_ch_bitmap);
}
/* Check EMI after */
if (md->hw_info->plat_ptr->check_emi_state)
md->hw_info->plat_ptr->check_emi_state(md, 0);
/*disable cldma & ccif clk*/
if (md->hw_info->plat_ptr->set_clk_cg)
md->hw_info->plat_ptr->set_clk_cg(md, 0);
#ifdef FEATURE_BSI_BPI_SRAM_CFG
ccci_set_bsi_bpi_SRAM_cfg(md, 0, stop_type);
#endif
return 0;
}
static void dump_runtime_data_v2(struct ccci_modem *md,
struct ap_query_md_feature *ap_feature)
{
u8 i = 0;
CCCI_BOOTUP_LOG(md->index, TAG,
"head_pattern 0x%x\n", ap_feature->head_pattern);
for (i = BOOT_INFO; i < AP_RUNTIME_FEATURE_ID_MAX; i++) {
CCCI_BOOTUP_LOG(md->index, TAG,
"feature %u: mask %u, version %u\n",
i, ap_feature->feature_set[i].support_mask,
ap_feature->feature_set[i].version);
}
CCCI_BOOTUP_LOG(md->index, TAG,
"share_memory_support 0x%x\n",
ap_feature->share_memory_support);
CCCI_BOOTUP_LOG(md->index, TAG,
"ap_runtime_data_addr 0x%x\n",
ap_feature->ap_runtime_data_addr);
CCCI_BOOTUP_LOG(md->index, TAG,
"ap_runtime_data_size 0x%x\n",
ap_feature->ap_runtime_data_size);
CCCI_BOOTUP_LOG(md->index, TAG,
"md_runtime_data_addr 0x%x\n",
ap_feature->md_runtime_data_addr);
CCCI_BOOTUP_LOG(md->index, TAG,
"md_runtime_data_size 0x%x\n",
ap_feature->md_runtime_data_size);
CCCI_BOOTUP_LOG(md->index, TAG,
"set_md_mpu_start_addr 0x%x\n",
ap_feature->set_md_mpu_start_addr);
CCCI_BOOTUP_LOG(md->index, TAG,
"set_md_mpu_total_size 0x%x\n",
ap_feature->set_md_mpu_total_size);
CCCI_BOOTUP_LOG(md->index, TAG,
"tail_pattern 0x%x\n",
ap_feature->tail_pattern);
}
static void dump_runtime_data_v2_1(struct ccci_modem *md,
struct ap_query_md_feature_v2_1 *ap_feature)
{
u8 i = 0;
CCCI_BOOTUP_LOG(md->index, TAG,
"head_pattern 0x%x\n", ap_feature->head_pattern);
for (i = BOOT_INFO; i < AP_RUNTIME_FEATURE_ID_MAX; i++) {
CCCI_BOOTUP_LOG(md->index, TAG,
"feature %u: mask %u, version %u\n",
i, ap_feature->feature_set[i].support_mask,
ap_feature->feature_set[i].version);
}
CCCI_BOOTUP_LOG(md->index, TAG,
"share_memory_support 0x%x\n",
ap_feature->share_memory_support);
CCCI_BOOTUP_LOG(md->index, TAG,
"ap_runtime_data_addr 0x%x\n",
ap_feature->ap_runtime_data_addr);
CCCI_BOOTUP_LOG(md->index, TAG,
"ap_runtime_data_size 0x%x\n",
ap_feature->ap_runtime_data_size);
CCCI_BOOTUP_LOG(md->index, TAG,
"md_runtime_data_addr 0x%x\n",
ap_feature->md_runtime_data_addr);
CCCI_BOOTUP_LOG(md->index, TAG,
"md_runtime_data_size 0x%x\n",
ap_feature->md_runtime_data_size);
CCCI_BOOTUP_LOG(md->index, TAG,
"set_md_mpu_noncached_start_addr 0x%x\n",
ap_feature->noncached_mpu_start_addr);
CCCI_BOOTUP_LOG(md->index, TAG,
"set_md_mpu_noncached_total_size 0x%x\n",
ap_feature->noncached_mpu_total_size);
CCCI_BOOTUP_LOG(md->index, TAG,
"set_md_mpu_cached_start_addr 0x%x\n",
ap_feature->cached_mpu_start_addr);
CCCI_BOOTUP_LOG(md->index, TAG,
"set_md_mpu_cached_total_size 0x%x\n",
ap_feature->cached_mpu_total_size);
CCCI_BOOTUP_LOG(md->index, TAG,
"tail_pattern 0x%x\n",
ap_feature->tail_pattern);
}
static void md_cd_smem_sub_region_init(struct ccci_modem *md)
{
int __iomem *addr;
int i;
struct ccci_smem_region *dbm =
ccci_md_get_smem_by_user_id(md->index, SMEM_USER_RAW_DBM);
/* Region 0, dbm */
addr = (int __iomem *)dbm->base_ap_view_vir;
addr[0] = 0x44444444; /* Guard pattern 1 header */
addr[1] = 0x44444444; /* Guard pattern 2 header */
#ifdef DISABLE_PBM_FEATURE
for (i = 2; i < (CCCI_SMEM_SIZE_DBM/4+2); i++)
addr[i] = 0xFFFFFFFF;
#else
for (i = 2; i < (CCCI_SMEM_SIZE_DBM/4+2); i++)
addr[i] = 0x00000000;
#endif
addr[i++] = 0x44444444; /* Guard pattern 1 tail */
addr[i++] = 0x44444444; /* Guard pattern 2 tail */
/* Notify PBM */
#ifndef DISABLE_PBM_FEATURE
init_md_section_level(KR_MD1);
#endif
}
static void config_ap_runtime_data_v2(struct ccci_modem *md,
struct ap_query_md_feature *ap_feature)
{
struct ccci_smem_region *runtime_data =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_RUNTIME_DATA);
ap_feature->head_pattern = AP_FEATURE_QUERY_PATTERN;
/*AP query MD feature set */
ap_feature->share_memory_support = INTERNAL_MODEM;
ap_feature->ap_runtime_data_addr = runtime_data->base_md_view_phy;
ap_feature->ap_runtime_data_size = CCCI_SMEM_SIZE_RUNTIME_AP;
ap_feature->md_runtime_data_addr =
ap_feature->ap_runtime_data_addr + CCCI_SMEM_SIZE_RUNTIME_AP;
ap_feature->md_runtime_data_size = CCCI_SMEM_SIZE_RUNTIME_MD;
ap_feature->set_md_mpu_start_addr =
md->mem_layout.md_bank4_noncacheable_total.base_md_view_phy;
ap_feature->set_md_mpu_total_size =
md->mem_layout.md_bank4_noncacheable_total.size;
/* Set Flag for modem on feature_set[1].version,
* specially: [1].support_mask = 0
*/
ap_feature->feature_set[1].support_mask = 0;
/* ver.1: set_md_mpu_total_size =
* ap md1 share + md1&md3 share
*/
/* ver.0: set_md_mpu_total_size = ap md1 share */
ap_feature->feature_set[1].version = 1;
ap_feature->tail_pattern = AP_FEATURE_QUERY_PATTERN;
}
static void config_ap_runtime_data_v2_1(struct ccci_modem *md,
struct ap_query_md_feature_v2_1 *ap_feature)
{
struct ccci_smem_region *runtime_data =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_RUNTIME_DATA);
int sec_smem_size = ccci_get_md_sec_smem_size_and_update();
ap_feature->head_pattern = AP_FEATURE_QUERY_PATTERN;
/*AP query MD feature set */
/* to let md know that this is new AP. */
ap_feature->share_memory_support = MULTI_MD_MPU_SUPPORT;
ap_feature->ap_runtime_data_addr = runtime_data->base_md_view_phy;
ap_feature->ap_runtime_data_size = CCCI_SMEM_SIZE_RUNTIME_AP;
ap_feature->md_runtime_data_addr =
ap_feature->ap_runtime_data_addr + CCCI_SMEM_SIZE_RUNTIME_AP;
ap_feature->md_runtime_data_size = CCCI_SMEM_SIZE_RUNTIME_MD;
ap_feature->noncached_mpu_start_addr =
md->mem_layout.md_bank4_noncacheable_total.base_md_view_phy;
ap_feature->noncached_mpu_total_size =
md->mem_layout.md_bank4_noncacheable_total.size + sec_smem_size;
ap_feature->cached_mpu_start_addr =
md->mem_layout.md_bank4_cacheable_total.base_md_view_phy;
ap_feature->cached_mpu_total_size =
md->mem_layout.md_bank4_cacheable_total.size;
/* Set Flag for modem on feature_set[1].version,
* specially: [1].support_mask = 0
*/
ap_feature->feature_set[1].support_mask = 0;
/* ver.1: set_md_mpu_total_size =
* ap md1 share + md1&md3 share
*/
/* ver.0: set_md_mpu_total_size = ap md1 share */
ap_feature->feature_set[1].version = 1;
ap_feature->tail_pattern = AP_FEATURE_QUERY_PATTERN;
}
static int md_cd_send_runtime_data_v2(struct ccci_modem *md,
unsigned int tx_ch, unsigned int txqno, int skb_from_pool)
{
int packet_size;
struct ap_query_md_feature *ap_rt_data;
struct ap_query_md_feature_v2_1 *ap_rt_data_v2_1;
int ret;
if (md->runtime_version < AP_MD_HS_V2) {
CCCI_ERROR_LOG(md->index, TAG,
"unsupported runtime version %d\n",
md->runtime_version);
return -CCCI_ERR_CCIF_INVALID_RUNTIME_LEN;
}
if (md->multi_md_mpu_support) {
packet_size = sizeof(struct ap_query_md_feature_v2_1) +
sizeof(struct ccci_header);
ap_rt_data_v2_1 = (struct ap_query_md_feature_v2_1 *)
ccci_hif_fill_rt_header(CCIF_HIF_ID, packet_size,
tx_ch, txqno);
if (!ap_rt_data_v2_1) {
CCCI_ERROR_LOG(md->index, TAG, "rt header v2 NULL!\n");
return -1;
}
memset_io(ap_rt_data_v2_1, 0,
sizeof(struct ap_query_md_feature_v2_1));
config_ap_runtime_data_v2_1(md, ap_rt_data_v2_1);
dump_runtime_data_v2_1(md, ap_rt_data_v2_1);
} else {
/* infactly, 6292 should not be this else condition */
packet_size = sizeof(struct ap_query_md_feature) +
sizeof(struct ccci_header);
ap_rt_data = (struct ap_query_md_feature *)
ccci_hif_fill_rt_header(CCIF_HIF_ID, packet_size,
tx_ch, txqno);
if (!ap_rt_data) {
CCCI_ERROR_LOG(md->index, TAG, "rt header NULL!\n");
return -1;
}
memset_io(ap_rt_data, 0, sizeof(struct ap_query_md_feature));
config_ap_runtime_data_v2(md, ap_rt_data);
dump_runtime_data_v2(md, ap_rt_data);
}
md_cd_smem_sub_region_init(md);
ret = ccci_hif_send_data(CCIF_HIF_ID, H2D_SRAM);
return ret;
}
static int md_cd_force_assert(struct ccci_modem *md, enum MD_COMM_TYPE type)
{
CCCI_NORMAL_LOG(md->index, TAG,
"force assert MD using %d\n", type);
if (type == CCIF_INTERRUPT)
ccci_hif_send_data(CCIF_HIF_ID, AP_MD_SEQ_ERROR);
else if (type == CCIF_MPU_INTR) {
ccci_hif_send_data(CCIF_HIF_ID, H2D_MPU_FORCE_ASSERT);
md->ops->dump_info(md, DUMP_FLAG_CCIF_REG, NULL, 0);
}
return 0;
}
static int md_cd_dump_info(struct ccci_modem *md,
enum MODEM_DUMP_FLAG flag, void *buff, int length)
{
struct md_sys1_info *md_info =
(struct md_sys1_info *)md->private_data;
if (flag & DUMP_FLAG_CCIF_REG) {
CCCI_MEM_LOG_TAG(md->index, TAG, "Dump CCIF REG\n");
ccci_hif_dump_status(CCIF_HIF_ID, DUMP_FLAG_CCIF_REG,
NULL, -1);
}
if (flag & DUMP_FLAG_PCCIF_REG) {
CCCI_MEM_LOG_TAG(md->index, TAG, "ignore Dump PCCIF REG\n");
/*md_cd_dump_pccif_reg(md);*/
}
if (flag & DUMP_FLAG_CCIF) {
unsigned int *dest_buff = NULL;
unsigned char ccif_sram[CCCI_EE_SIZE_CCIF_SRAM] = { 0 };
if (buff)
dest_buff = (unsigned int *)buff;
else
dest_buff = (unsigned int *)ccif_sram;
if (length < sizeof(ccif_sram) && length > 0) {
CCCI_ERROR_LOG(md->index, TAG,
"dump CCIF SRAM length illegal %d/%zu\n",
length, sizeof(ccif_sram));
dest_buff = (unsigned int *)ccif_sram;
} else {
length = sizeof(ccif_sram);
}
ccci_hif_dump_status(1 << CCIF_HIF_ID, DUMP_FLAG_CCIF,
buff, length);
}
/*HIF related dump flag*/
if (flag & (DUMP_FLAG_QUEUE_0_1 | DUMP_FLAG_QUEUE_0 |
DUMP_FLAG_IRQ_STATUS | DUMP_FLAG_CLDMA))
ccci_hif_dump_status(md->hif_flag, flag, NULL, length);
if ((flag & DUMP_FLAG_REG) && md->hw_info->plat_ptr->debug_reg)
md->hw_info->plat_ptr->debug_reg(md);
if (flag & DUMP_FLAG_SMEM_EXP) {
struct ccci_smem_region *mdccci_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDCCCI_DBG);
struct ccci_smem_region *mdss_dbg =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_MDSS_DBG);
CCCI_MEM_LOG_TAG(md->index, TAG,
"Dump exception share memory\n");
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
mdccci_dbg->base_ap_view_vir, mdccci_dbg->size);
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
mdss_dbg->base_ap_view_vir, mdss_dbg->size);
}
if (flag & DUMP_FLAG_SMEM_CCISM) {
struct ccci_smem_region *scp =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_CCISM_SCP);
CCCI_MEM_LOG_TAG(md->index, TAG,
"Dump CCISM share memory\n");
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
scp->base_ap_view_vir, scp->size);
}
if (flag & DUMP_FLAG_SMEM_CCB_CTRL) {
struct ccci_smem_region *ccb_ctl =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_CCB_CTRL);
if (ccb_ctl) {
CCCI_MEM_LOG_TAG(md->index, TAG,
"Dump CCB CTRL share memory\n");
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
ccb_ctl->base_ap_view_vir,
32 * ccb_configs_len * 2);
}
}
if (flag & DUMP_FLAG_SMEM_CCB_DATA) {
int i, j;
unsigned char *curr_ch_p;
unsigned int *curr_p;
struct ccci_smem_region *ccb_data =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_CCB_START);
struct ccci_smem_region *dhl_raw =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_DHL);
if (ccb_data && ccb_data->size != 0) {
CCCI_MEM_LOG_TAG(md->index, TAG,
"Dump CCB DATA share memory\n");
curr_ch_p = ccb_data->base_ap_view_vir;
curr_p = (unsigned int *)curr_ch_p;
for (i = 0; i < ccb_configs_len; i++) {
/* dump dl buffer */
for (j = 0; j < ccb_configs[i].dl_buff_size /
ccb_configs[i].dl_page_size; j++) {
ccci_dump_write(md->index,
CCCI_DUMP_MEM_DUMP, 0,
"ul_buf%2d-page%2d %p: %08X %08X %08X %08X\n",
i, j, curr_p,
*curr_p, *(curr_p + 1),
*(curr_p + 2), *(curr_p + 3));
curr_ch_p +=
ccb_configs[i].dl_page_size;
curr_p = (unsigned int *)curr_ch_p;
}
/* dump ul buffer */
for (j = 0; j < ccb_configs[i].ul_buff_size /
ccb_configs[i].ul_page_size; j++) {
ccci_dump_write(md->index,
CCCI_DUMP_MEM_DUMP, 0,
"dl_buf%2d-page%2d %p: %08X %08X %08X %08X\n",
i, j, curr_p,
*curr_p, *(curr_p + 1),
*(curr_p + 2), *(curr_p + 3));
curr_ch_p +=
ccb_configs[i].ul_page_size;
curr_p = (unsigned int *)curr_ch_p;
}
}
}
if (dhl_raw && dhl_raw->size) {
CCCI_MEM_LOG_TAG(md->index, TAG,
"Dump DHL RAW share memory\n");
curr_ch_p = dhl_raw->base_ap_view_vir;
curr_p = (unsigned int *)curr_ch_p;
ccci_dump_write(md->index,
CCCI_DUMP_MEM_DUMP, 0,
"%p: %08X %08X %08X %08X\n",
curr_p, *curr_p, *(curr_p + 1),
*(curr_p + 2), *(curr_p + 3));
}
}
if (flag & DUMP_FLAG_IMAGE) {
CCCI_MEM_LOG_TAG(md->index, TAG, "Dump MD image not support\n");
}
if (flag & DUMP_FLAG_LAYOUT) {
CCCI_MEM_LOG_TAG(md->index, TAG, "Dump MD layout struct\n");
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
&md->mem_layout, sizeof(struct ccci_mem_layout));
}
if (flag & DUMP_FLAG_SMEM_MDSLP) {
struct ccci_smem_region *low_pwr =
ccci_md_get_smem_by_user_id(md->index,
SMEM_USER_RAW_DBM);
CCCI_MEM_LOG_TAG(md->index, TAG, "Dump MD SLP registers\n");
ccci_cmpt_mem_dump(md->index, low_pwr->base_ap_view_vir,
low_pwr->size);
}
if (flag & DUMP_FLAG_MD_WDT) {
CCCI_MEM_LOG_TAG(md->index, TAG, "Dump MD RGU registers\n");
if (md->hw_info->plat_ptr->lock_modem_clock_src)
md->hw_info->plat_ptr->lock_modem_clock_src(1);
#ifdef BASE_ADDR_MDRSTCTL
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
md_info->md_rgu_base, 0x88);
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
(md_info->md_rgu_base + 0x200), 0x5c);
#else
ccci_util_mem_dump(md->index, CCCI_DUMP_MEM_DUMP,
md_info->md_rgu_base, 0x30);
#endif
if (md->hw_info->plat_ptr->lock_modem_clock_src)
md->hw_info->plat_ptr->lock_modem_clock_src(0);
CCCI_MEM_LOG_TAG(md->index, TAG, "wdt_enabled=%d\n",
atomic_read(&md->wdt_enabled));
}
if ((flag & DUMP_MD_BOOTUP_STATUS) &&
md->hw_info->plat_ptr->get_md_bootup_status)
md->hw_info->plat_ptr->get_md_bootup_status(md,
(unsigned int *)buff, length);
return length;
}
static int md_cd_ee_callback(struct ccci_modem *md, enum MODEM_EE_FLAG flag)
{
if (flag & EE_FLAG_ENABLE_WDT)
wdt_enable_irq(md);
if (flag & EE_FLAG_DISABLE_WDT)
wdt_disable_irq(md);
return 0;
}
static int md_cd_send_ccb_tx_notify(struct ccci_modem *md, int core_id)
{
/* CCCI_NORMAL_LOG(md->index, TAG,
* "ccb tx notify to core %d\n", core_id);
*/
switch (core_id) {
case P_CORE:
ccci_hif_send_data(CCIF_HIF_ID, AP_MD_CCB_WAKEUP);
break;
case VOLTE_CORE:
default:
break;
}
return 0;
}
static struct ccci_modem_ops md_cd_ops = {
.init = &md_cd_init,
.start = &md_cd_start,
.stop = &md_cd_stop,
.soft_start = &md_cd_soft_start,
.soft_stop = &md_cd_soft_stop,
.pre_stop = &md_cd_pre_stop,
.send_runtime_data = &md_cd_send_runtime_data_v2,
.ee_handshake = &md_cd_ee_handshake,
.force_assert = &md_cd_force_assert,
.dump_info = &md_cd_dump_info,
.ee_callback = &md_cd_ee_callback,
.send_ccb_tx_notify = &md_cd_send_ccb_tx_notify,
};
static ssize_t md_cd_debug_show(struct ccci_modem *md, char *buf)
{
int curr = 0;
curr = snprintf(buf, 16, "%d\n", ccci_debug_enable);
if (curr < 0 || curr >= 16) {
CCCI_ERROR_LOG(md->index, TAG,
"%s-%d:snprintf fail,curr=%d\n", __func__, __LINE__, curr);
return -1;
}
return curr;
}
static ssize_t md_cd_debug_store(struct ccci_modem *md,
const char *buf, size_t count)
{
ccci_debug_enable = buf[0] - '0';
return count;
}
static ssize_t md_cd_dump_show(struct ccci_modem *md, char *buf)
{
int count = 0;
count = snprintf(buf, 256,
"support: ccif cldma register smem image layout\n");
if (count < 0 || count >= 256) {
CCCI_ERROR_LOG(md->index, TAG,
"%s-%d:snprintf fail,count=%d\n", __func__, __LINE__, count);
return -1;
}
return count;
}
static ssize_t md_cd_dump_store(struct ccci_modem *md,
const char *buf, size_t count)
{
enum MD_STATE md_state = ccci_fsm_get_md_state(md->index);
/* echo will bring "xxx\n" here,
* so we eliminate the "\n" during comparing
*/
if (md_state != GATED && md_state != INVALID) {
if (strncmp(buf, "ccif", count - 1) == 0)
ccci_hif_dump_status(1 << CCIF_HIF_ID,
DUMP_FLAG_CCIF_REG | DUMP_FLAG_CCIF, NULL, 0);
if ((strncmp(buf, "cldma", count - 1) == 0) &&
(md->hif_flag&(1<<CLDMA_HIF_ID)))
ccci_hif_dump_status(1 << CLDMA_HIF_ID,
DUMP_FLAG_CLDMA, NULL, -1);
if (strncmp(buf, "register", count - 1) == 0)
md->ops->dump_info(md, DUMP_FLAG_REG, NULL, 0);
if (strncmp(buf, "smem_exp", count-1) == 0)
md->ops->dump_info(md, DUMP_FLAG_SMEM_EXP, NULL, 0);
if (strncmp(buf, "smem_ccism", count-1) == 0)
md->ops->dump_info(md, DUMP_FLAG_SMEM_CCISM, NULL, 0);
if (strncmp(buf, "smem_ccb_ctrl", count-1) == 0)
md->ops->dump_info(md,
DUMP_FLAG_SMEM_CCB_CTRL, NULL, 0);
if (strncmp(buf, "smem_ccb_data", count-1) == 0)
md->ops->dump_info(md,
DUMP_FLAG_SMEM_CCB_DATA, NULL, 0);
if (strncmp(buf, "pccif", count - 1) == 0)
md->ops->dump_info(md, DUMP_FLAG_PCCIF_REG, NULL, 0);
if (strncmp(buf, "image", count - 1) == 0)
md->ops->dump_info(md, DUMP_FLAG_IMAGE, NULL, 0);
if (strncmp(buf, "layout", count - 1) == 0)
md->ops->dump_info(md, DUMP_FLAG_LAYOUT, NULL, 0);
if (strncmp(buf, "mdslp", count - 1) == 0)
md->ops->dump_info(md, DUMP_FLAG_SMEM_MDSLP, NULL, 0);
if (strncmp(buf, "dpmaif", count - 1) == 0)
ccci_hif_dump_status(1<<DPMAIF_HIF_ID,
DUMP_FLAG_REG, NULL, -1);
if (strncmp(buf, "port", count - 1) == 0)
ccci_port_dump_status(md->index);
}
return count;
}
static ssize_t md_cd_control_show(struct ccci_modem *md, char *buf)
{
int count = 0;
count = snprintf(buf, 256,
"support: cldma_reset cldma_stop ccif_assert md_type trace_sample\n");
if (count < 0 || count >= 256) {
CCCI_ERROR_LOG(md->index, TAG,
"%s-%d:snprintf fail,count=%d\n", __func__, __LINE__, count);
return -1;
}
return count;
}
static ssize_t md_cd_control_store(struct ccci_modem *md,
const char *buf, size_t count)
{
int size = 0;
if (md->hif_flag&(1<<CLDMA_HIF_ID)) {
if (md->hw_info->plat_ptr->lock_cldma_clock_src) {
if (strncmp(buf, "cldma_reset", count - 1) == 0) {
CCCI_NORMAL_LOG(md->index, TAG,
"reset CLDMA\n");
md->hw_info->plat_ptr->lock_cldma_clock_src(1);
ccci_hif_stop(CLDMA_HIF_ID);
md_cd_clear_all_queue(1 << CLDMA_HIF_ID, OUT);
md_cd_clear_all_queue(1 << CLDMA_HIF_ID, IN);
ccci_hif_start(CLDMA_HIF_ID);
md->hw_info->plat_ptr->lock_cldma_clock_src(0);
}
if (strncmp(buf, "cldma_stop", count - 1) == 0) {
CCCI_NORMAL_LOG(md->index, TAG, "stop CLDMA\n");
md->hw_info->plat_ptr->lock_cldma_clock_src(1);
ccci_hif_stop(CLDMA_HIF_ID);
md->hw_info->plat_ptr->lock_cldma_clock_src(0);
}
}
}
if (strncmp(buf, "ccif_assert", count - 1) == 0) {
CCCI_NORMAL_LOG(md->index, TAG,
"use CCIF to force MD assert\n");
md->ops->force_assert(md, CCIF_INTERRUPT);
}
if (strncmp(buf, "ccif_reset", count - 1) == 0) {
CCCI_NORMAL_LOG(md->index, TAG, "reset AP MD1 CCIF\n");
ccci_hif_debug(CCIF_HIF_ID, CCCI_HIF_DEBUG_RESET, NULL, -1);
}
if (strncmp(buf, "ccci_trm", count - 1) == 0) {
CCCI_NORMAL_LOG(md->index, TAG, "TRM triggered\n");
/* ccci_md_send_msg_to_user(md, CCCI_MONITOR_CH,
* CCCI_MD_MSG_RESET_REQUEST, 0);
*/
}
size = strlen("md_type=");
if (strncmp(buf, "md_type=", size) == 0) {
md->per_md_data.config.load_type_saving = buf[size] - '0';
CCCI_NORMAL_LOG(md->index, TAG, "md_type_store %d\n",
md->per_md_data.config.load_type_saving);
/* ccci_md_send_msg_to_user(md, CCCI_MONITOR_CH,
* CCCI_MD_MSG_STORE_NVRAM_MD_TYPE, 0);
*/
}
size = strlen("trace_sample=");
if (strncmp(buf, "trace_sample=", size) == 0) {
trace_sample_time = (buf[size] - '0') * 100000000;
CCCI_NORMAL_LOG(md->index, TAG,
"trace_sample_time %u\n", trace_sample_time);
}
size = strlen("md_dbg_dump=");
if (strncmp(buf, "md_dbg_dump=", size)
== 0 && size < count - 1) {
size = kstrtouint(buf+size, 16,
&md->per_md_data.md_dbg_dump_flag);
if (size)
md->per_md_data.md_dbg_dump_flag = MD_DBG_DUMP_ALL;
CCCI_NORMAL_LOG(md->index, TAG, "md_dbg_dump 0x%X\n",
md->per_md_data.md_dbg_dump_flag);
}
return count;
}
static ssize_t md_cd_parameter_show(struct ccci_modem *md, char *buf)
{
int count = 0;
int ret = 0;
ret = snprintf(buf + count, 128,
"PACKET_HISTORY_DEPTH=%d\n", PACKET_HISTORY_DEPTH);
if (ret < 0 || ret >= 128) {
CCCI_ERROR_LOG(md->index, TAG,
"%s-%d:snprintf fail,ret=%d\n", __func__, __LINE__, ret);
return -1;
}
count += ret;
ret = snprintf(buf + count, 128, "BD_NUM=%ld\n", MAX_BD_NUM);
if (ret < 0 || ret >= 128) {
CCCI_ERROR_LOG(md->index, TAG,
"%s-%d:snprintf fail,ret=%d\n", __func__, __LINE__, ret);
return -1;
}
count += ret;
return count;
}
static ssize_t md_cd_parameter_store(struct ccci_modem *md,
const char *buf, size_t count)
{
return count;
}
CCCI_MD_ATTR(NULL, debug, 0660, md_cd_debug_show, md_cd_debug_store);
CCCI_MD_ATTR(NULL, dump, 0660, md_cd_dump_show, md_cd_dump_store);
CCCI_MD_ATTR(NULL, control, 0660, md_cd_control_show, md_cd_control_store);
CCCI_MD_ATTR(NULL, parameter, 0660, md_cd_parameter_show,
md_cd_parameter_store);
static void md_cd_sysfs_init(struct ccci_modem *md)
{
int ret;
ccci_md_attr_debug.modem = md;
ret = sysfs_create_file(&md->kobj, &ccci_md_attr_debug.attr);
if (ret)
CCCI_ERROR_LOG(md->index, TAG,
"fail to add sysfs node %s %d\n",
ccci_md_attr_debug.attr.name, ret);
ccci_md_attr_dump.modem = md;
ret = sysfs_create_file(&md->kobj, &ccci_md_attr_dump.attr);
if (ret)
CCCI_ERROR_LOG(md->index, TAG,
"fail to add sysfs node %s %d\n",
ccci_md_attr_dump.attr.name, ret);
ccci_md_attr_control.modem = md;
ret = sysfs_create_file(&md->kobj, &ccci_md_attr_control.attr);
if (ret)
CCCI_ERROR_LOG(md->index, TAG,
"fail to add sysfs node %s %d\n",
ccci_md_attr_control.attr.name, ret);
ccci_md_attr_parameter.modem = md;
ret = sysfs_create_file(&md->kobj, &ccci_md_attr_parameter.attr);
if (ret)
CCCI_ERROR_LOG(md->index, TAG,
"fail to add sysfs node %s %d\n",
ccci_md_attr_parameter.attr.name, ret);
}
/* weak function for compatibility */
int __weak ccci_modem_suspend_noirq(struct device *dev)
{
CCCI_NORMAL_LOG(-1, TAG,
"%s:weak function\n", __func__);
return 0;
}
int __weak ccci_modem_resume_noirq(struct device *dev)
{
CCCI_NORMAL_LOG(-1, TAG,
"%s:weak function\n", __func__);
return 0;
}
int __weak ccci_modem_plt_suspend(struct ccci_modem *md)
{
CCCI_NORMAL_LOG(0, TAG, "[%s] md->hif_flag = %d,move to drivers module\n",
__func__, md->hif_flag);
return 0;
}
int ccci_modem_syssuspend(void)
{
struct ccci_modem *md;
md = ccci_md_get_modem_by_id(0);
if (md != NULL)
ccci_modem_plt_suspend(md);
else
CCCI_ERROR_LOG(0, TAG,
"[%s] error: md is NULL.\n", __func__);
return 0;
}
void __weak ccci_modem_plt_resume(struct ccci_modem *md)
{
CCCI_NORMAL_LOG(0, TAG, "[%s] md->hif_flag = %d,move to drivers module\n",
__func__, md->hif_flag);
}
void ccci_modem_sysresume(void)
{
struct ccci_modem *md;
md = ccci_md_get_modem_by_id(0);
if (md != NULL)
ccci_modem_plt_resume(md);
else
CCCI_ERROR_LOG(0, TAG,
"[%s] error: md is NULL.\n", __func__);
}
static struct syscore_ops ccci_modem_sysops = {
.suspend = ccci_modem_syssuspend,
.resume = ccci_modem_sysresume,
};
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
static u64 cldma_dmamask = DMA_BIT_MASK(36);
static int ccci_modem_probe(struct platform_device *plat_dev)
{
struct ccci_modem *md = NULL;
struct md_sys1_info *md_info = NULL;
int md_id;
struct ccci_dev_cfg dev_cfg;
int ret;
struct md_hw_info *md_hw;
/* Allocate modem hardware info structure memory */
md_hw = kzalloc(sizeof(struct md_hw_info), GFP_KERNEL);
if (md_hw == NULL) {
CCCI_ERROR_LOG(-1, TAG,
"%s:alloc md hw mem fail\n", __func__);
return -1;
}
ret = md_cd_get_modem_hw_info(plat_dev, &dev_cfg, md_hw);
if (ret != 0) {
CCCI_ERROR_LOG(-1, TAG,
"%s:get hw info fail(%d)\n", __func__, ret);
kfree(md_hw);
md_hw = NULL;
return -1;
}
/* Allocate md ctrl memory and do initialize */
md = ccci_md_alloc(sizeof(struct md_sys1_info));
if (md == NULL) {
CCCI_ERROR_LOG(-1, TAG,
"%s:alloc modem ctrl mem fail\n", __func__);
kfree(md_hw);
md_hw = NULL;
return -1;
}
md->index = md_id = dev_cfg.index;
md->per_md_data.md_capability = dev_cfg.capability;
md->hw_info = md_hw;
md->plat_dev = plat_dev;
md->plat_dev->dev.dma_mask = &cldma_dmamask;
md->plat_dev->dev.coherent_dma_mask = cldma_dmamask;
md->ops = &md_cd_ops;
CCCI_INIT_LOG(md_id, TAG,
"%s:md=%p,md->private_data=%p\n", __func__,
md, md->private_data);
/* register modem */
ccci_md_register(md);
/* init modem private data */
md_info = (struct md_sys1_info *)md->private_data;
ret = snprintf(md->trm_wakelock_name, sizeof(md->trm_wakelock_name),
"md%d_cldma_trm", md_id + 1);
if (ret <= 0 || ret >= sizeof(md->trm_wakelock_name)) {
CCCI_ERROR_LOG(md->index, TAG,
"%s %d, md->trm_wakelock_name maybe wrong\n",
__func__, __LINE__);
return -1;
}
/*need review:wakeup_source_register*/
md->trm_wake_lock = wakeup_source_register(NULL, md->trm_wakelock_name);
if (!md->trm_wake_lock) {
CCCI_ERROR_LOG(md->index, TAG,
"%s %d: init wakeup source fail\n",
__func__, __LINE__);
return -1;
}
ret = snprintf(md_info->peer_wakelock_name,
sizeof(md_info->peer_wakelock_name),
"md%d_cldma_peer", md_id + 1);
if (ret <= 0 || ret >= sizeof(md_info->peer_wakelock_name)) {
CCCI_ERROR_LOG(md->index, TAG,
"%s %d,md_info->peer_wakelock_name maybe wrong\n",
__func__, __LINE__);
return -1;
}
md_info->peer_wake_lock =
wakeup_source_register(NULL, md_info->peer_wakelock_name);
if (!md_info->peer_wake_lock) {
CCCI_ERROR_LOG(md->index, TAG,
"%s %d: init wakeup source fail\n",
__func__, __LINE__);
return -1;
}
/* Copy HW info */
md_info->ap_ccif_base = (void __iomem *)md_hw->ap_ccif_base;
md_info->md_ccif_base = (void __iomem *)md_hw->md_ccif_base;
#if (MD_GENERATION <= 6292)
md_info->ap_ccif_irq_id = md_hw->ap_ccif_irq_id;
#else
md_info->ap_ccif_irq_id = md_hw->ap_ccif_irq1_id;
#endif
md_info->channel_id = 0;
atomic_set(&md_info->ccif_irq_enabled, 1);
md->md_wdt_irq_id = md_hw->md_wdt_irq_id;
atomic_set(&md->reset_on_going, 1);
/* IRQ is default enabled after request_irq */
atomic_set(&md->wdt_enabled, 1);
ret = of_property_read_u32(plat_dev->dev.of_node,
"mediatek,mdhif_type", &md->hif_flag);
if (ret != 0)
md->hif_flag = (1 << MD1_NET_HIF | 1 << MD1_NORMAL_HIF);
// ccci_hif_init(md->index, md->hif_flag);
/* register SYS CORE suspend resume call back */
register_syscore_ops(&ccci_modem_sysops);
/* add sysfs entries */
md_cd_sysfs_init(md);
/* hook up to device */
plat_dev->dev.platform_data = md;
return 0;
}
//EXPORT_SYMBOL(ccci_modem_init_common);
void ccci_platform_common_init(struct ccci_modem *md)
{
if (md->hw_info->plat_ptr->init)
md->hw_info->plat_ptr->init(md);
}
static const struct dev_pm_ops ccci_modem_pm_ops = {
.suspend = ccci_modem_pm_suspend,
.resume = ccci_modem_pm_resume,
.freeze = ccci_modem_pm_suspend,
.thaw = ccci_modem_pm_resume,
.poweroff = ccci_modem_pm_suspend,
.restore = ccci_modem_pm_resume,
.restore_noirq = ccci_modem_pm_restore_noirq,
.suspend_noirq = ccci_modem_suspend_noirq,
.resume_noirq = ccci_modem_resume_noirq,
};
#ifdef CONFIG_OF
/*#if (MD_GENERATION <= 6293)
static const struct of_device_id ccci_modem_of_ids[] = {
{.compatible = "mediatek,mdcldma",},
{}
};
#else */
static const struct of_device_id ccci_modem_of_ids[] = {
{.compatible = "mediatek,mddriver",},
{}
};
//#endif
#endif
static struct platform_driver ccci_modem_driver = {
.driver = {
.name = "driver_modem",
#ifdef CONFIG_OF
.of_match_table = ccci_modem_of_ids,
#endif
#ifdef CONFIG_PM
.pm = &ccci_modem_pm_ops,
#endif
},
.probe = ccci_modem_probe,
.remove = ccci_modem_remove,
.shutdown = ccci_modem_shutdown,
.suspend = ccci_modem_suspend,
.resume = ccci_modem_resume,
};
static int __init modem_cd_init(void)
{
int ret;
ret = platform_driver_register(&ccci_modem_driver);
if (ret) {
CCCI_ERROR_LOG(-1, TAG,
"clmda modem platform driver register fail(%d)\n",
ret);
return ret;
}
return 0;
}
module_init(modem_cd_init);
MODULE_AUTHOR("CCCI");
MODULE_DESCRIPTION("CCCI modem driver v0.1");
MODULE_LICENSE("GPL");
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